Function ext

deps/v8/test/mjsunit/es6/destructuring-assignment.js:559–566

(body)

  class Base { get foo() { return 1; } }
  function ext(body) {
    return eval("new (class extends Base {\n" +
                "  constructor() {\n" +
                body + ";\n" +
                "  return { x: super.foo }" +
                "\n  }\n" +
                "})");
  }
  assertEquals(1, ext("let x; [x = super()] = []").x);
  assertEquals(1, ext("let x, y; [y] = [x = super()] = []").x);
  assertEquals(1, ext("let x; [x] = [super()]").x);